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Updated Date: 2nd, Feb 2024

What Are The 7 Types of ACB (Air Circuit Breaker)?

Distributors need to know their products—such as Air Circuit Breakers (ACBs)— to provide excellent customer service, offer technical support, and guarantee compliance with standards.

In this article, we will discuss the various types of ACBs to shed light on their unique features and applications. This way, customers can understand what they and decide which one they need.


Air Circuit Breaker

Plain Break ACB

Plain Break ACB is the most basic and traditional type of ACB circuit breaker. It works by using a pair of contacts to create a gap in the electrical circuit to interrupt the flow of current. It remains a reliable choice for applications that don’t require advanced features.

Magnetic Blowout ACB

Magnetic Blowout ACBs use a magnetic field to enhance the arc extinguishing process. The magnetic force generated helps to elongate the arc, making it easier to extinguish. This type of ACB is particularly effective in dealing with high currents and provides better protection against short circuits.

Air Chute ACB

Air Chute ACBs utilize an air chute to guide the arc towards an arc runner, which then leads the arc into an extinction chamber. This design enhances the cooling and extinguishing capabilities of the breaker. 

Axial Blast ACB

Axial Blast ACBs have a mechanism that directs the blast of air axially along the arc path. This focused blast helps in the rapid cooling and extinguishing of the arc. 

Drawout ACB

Drawout Air Circuit Breaker is designed for ease of maintenance and replacement. Its modular construction allows the entire breaker to be withdrawn from its housing for inspection or repair without affecting the rest of the system. 

Uncompensated ACB

Uncompensated Air Circuit Breakers are characterized by the absence of any compensating coil in their design. They rely on the thermal and magnetic properties of the air arc for interruption. 

Static Trip ACB

Static Trip ACBs are equipped with electronic trip units that provide precise control and monitoring functions. These trip units offer features such as adjustable trip settings, digital displays, and communication capabilities. 

What ACB Circuit Breaker Type Do You Need?

The different ACB breaker types have different features and applications—which one of them suits your electrical requirements?

If you’re looking for premium ACB circuit breakers, contact us today to learn more or get a free quote.

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